Electric-lamp socket.



J. G. PETER-SO ELECTRIC LAMP SOCKET. APPLICATION Hum D2017, was.

Patented Mar. 15, 1910.

UJITED STATES PATEST OFFICE.

JOHANN G. PETERS N. 01 HARTFORD. COZINECTICUT. AESIGNOR. BY MESNE ASSIGN- MENTS. TO MARSHALL ELECTRIC COMPANY. OF HARTFORD. CONNECTICUT, A. CQR- PORATION OF MAINE.

ELECTRIC-LAM SOCKET.

9523.76. speeifiwtien letterslaieni- Patentmt Mar. 53, 1919. Application filed December 17, 1909. Serial Ne. 533,633.

litthamp-r anmsililtrum b ll l'l. vita-nib t spring 2;. our (lttl ml which vngagvs the Purlliy :ll'l'lllu hr mntavi of part: of nppusihtil, \\hilc the nthvl' uml tllgztflts the upcratalm-try, 'lh' uhjm-t I uhtain by the rum l in; lilalv :ual art to return thc latter to its Sll'llt'llfili whit-h I will nuw tltFt'Ylli'R. rvfvrt normal position. ill lift. Ciltfll artaatiun liy thev :0 ring tn thv al-t-unipairving drawing in hi -z: chain and also In l'ttltlll thtcontact lingers 75 I ha \1- huwu my i IVLltliUll as (-mhmliml in l Lfiuf the t-hntat-t plate. t'll)5 l in cngaguntunt an tl 't'li'll' lamp Hit'h't'i of tin pull Stlt'lkt with the inclines it) upon thv lower ulatty w. that i in say. um in whivh the .ewitt-h ing block C. nuwhanian is upvratvtl h pullin;- (Ill a llvxi- On the upper face of um: 0f the illl'lilltfa' 25 hlv vhain U1 ((H't l 10 is a Contact 13 in vlcctrical connection so in thv tlw'iflltlllillyillgj drawing Figure l is with one of the posts D, which has a binda nlv t-ll-ratiuu ul' m-h a mulwl. the u1 ual l lug st'rew for one of the hauling-in wit-cs. as llltltl lll rap antl shall living mnittml; Fig. usual. ia imilar \'iv\ of tho upper part of Kim I (-mbtrnct in iniprm'ml wnnnntator or "0 (H'l{\l lmt slmwing parts. at hi-s \\ih'h Contact platva: =imwn inure clearly in Figs. 85 niw-lsanimi in tlill' -rt-nt pusitinn: from \huw .Uttl 3. that i5 to say.) (jHtHblllL with the \\'llltll ihv tit-rum in Fig. t: Fig. I, i a metal plat: (i. a sheet or tli:l of insulating pvrspw-tiw \'il\\' u'r' thv vuntavt platv nr niatvrial (2. having rmlia'l notches 1 at- (lit-uunnutatur: l"i 1 -l is a \'iv\\' ul' tln' ninh-rllllltlllttlll uppusitu paints, for the paasagc I35 itltnt' tln' saint-1 Fig. .3 is a m-tiuu m. thv thcrctln'uugh of the rurvwl hpring voulatrt 90 the plates B and C much cln=er together than heretofore. At the same lime this iles-"(nL ol' Qhe disk G ninlcr ihe union of the spring 33 gives a puff oi air which will lnlp Lo [*Xliliflllll any ar formed by the contact linger JO leaving the plate 13.

1 claim as my invention- 1. A switch mechanism for electric ap-i plianu'as, comprising a series of inclineilj faces, and a contact thereon, in combination 1 with a rotary contacc plate having spring 1 lingers to pass over said inclined faces and coniacl inc-ans to intermittently rot-ate. th contact plate, and insulating material ca!- '?-cl by (he contact plate on the side adjacent n the inclined faces.

2. 1L switch mechanism for electric :zpf plianccs, comprising a series of inclined f2 :45 and a contact thereon in cmnhinaLion with a. rotary contact plate having secured to that side of it which is adj-ameniio the incllneB an insulaiing \llSii with notches: {hrmigh which pass the spring contact finrule with an insniating L i l secured to the comacr piaie by said ferrule and having noicnc. {hrongh which the contact lingers pass.

in testimony hereof l have signed my name to tliii pccii'icalion, in the presence of hm snimiihing \viinesscs.

JUI'LXXN (i. llfl'llfiliSUX. .Yitncases:

l). J. GLAZHLR: Pins. B. Kiznsny. 

